<template>
<div>
     <input type="text" :value="msg" @input="inputEvent($event)">
     <input type="text" :value="msg2" @input="msg2=$event.target.value">
</div>

</template>
 
<script>
export default {
  data() {
    return {
      msg:'100',
      msg2:'200'
      
    };
  },

  methods: {
    inputEvent(e){
    this.msg=e.target.value
  }
  }
};
</script>

<style scoped>
     
</style>